The Language of Physics: Units | Physics Explained 1.3

"Next town: 12." Twelve what? Physics is written in a language of numbers AND units. Learn the seven SI base units and how the meter, kilogram and second came to be defined by constants of nature. Then master metric prefixes, travel from a proton to the edge of the universe in powers of ten, learn scientific notation and orders of magnitude, and convert units with confidence using conversion factors, including a full worked example and the trick that catches your own mistakes. Chapters: 0:00 Intro 0:51 SI base units 2:06 Defining the meter 3:13 The kilogram and the second 4:39 The kelvin 5:19 Metric prefixes 6:33 From protons to the universe 7:40 Scientific notation 8:40 Order of magnitude 9:16 Unit conversion 10:29 Worked example 11:56 Recap 12:43 Check yourself 13:50 Up next Physics Explained, Chapter 1: What is Physics? (lesson 3 of 4) Adapted from Physics by OpenStax (https://openstax.org/details/books/ph..., licensed under CC BY 4.0 (https://creativecommons.org/licenses/.... The animations and narration are original to Prime Mover. OpenStax is not affiliated with this channel and does not endorse it. Prime Mover: learn it, build it, share it.